/*
  ______                              _
 / _____)             _              | |
( (____  _____ ____ _| |_ _____  ____| |__
 \____ \| ___ |    (_   _) ___ |/ ___)  _ \
 _____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
    (C)2015 Semtech

Description: Handling of the node configuration protocol

License: Revised BSD License, see LICENSE.TXT file include in the project

Maintainer: Miguel Luis, Gregory Cristian & Gilbert Menth
*/
#ifndef __SX126x_HAL_H__
#define __SX126x_HAL_H__

#include "sx126x.h"
#include "stm32l0xx.h"

/*!
 * \brief The default value of SPI clock
 */
#define SX126x_SPI_FREQ_DEFAULT                  16000000 

/*!
 * \brief Soft resets the radio
 */
void Reset( void );

/*!
 * \brief Wakes up the radio
 */
void Wakeup( void );

/*!
 * \brief Send a command that write data to the radio
 *
 * \param [in]  opcode        Opcode of the command
 * \param [in]  buffer        Buffer to be send to the radio
 * \param [in]  size          Size of the buffer to send
 */
void WriteCommand( RadioCommands_t opcode, uint8_t *buffer, uint16_t size );

/*!
 * \brief Send a command that read data from the radio
 *
 * \param [in]  opcode        Opcode of the command
 * \param [out] buffer        Buffer holding data from the radio
 * \param [in]  size          Size of the buffer
 */
void ReadCommand( RadioCommands_t opcode, uint8_t *buffer, uint16_t size );

/*!
 * \brief Write data to the radio memory
 *
 * \param [in]  address       The address of the first byte to write in the radio
 * \param [in]  buffer        The data to be written in radio's memory
 * \param [in]  size          The number of bytes to write in radio's memory
 */
void WriteRegister( uint16_t address, uint8_t *buffer, uint16_t size );

/*!
 * \brief Write a single byte of data to the radio memory
 *
 * \param [in]  address       The address of the first byte to write in the radio
 * \param [in]  value         The data to be written in radio's memory
 */
void WriteReg( uint16_t address, uint8_t value );

/*!
 * \brief Read data from the radio memory
 *
 * \param [in]  address       The address of the first byte to read from the radio
 * \param [out] buffer        The buffer that holds data read from radio
 * \param [in]  size          The number of bytes to read from radio's memory
 */
void ReadRegister( uint16_t address, uint8_t *buffer, uint16_t size );

/*!
 * \brief Read a single byte of data from the radio memory
 *
 * \param [in]  address       The address of the first byte to write in the
 *                            radio
 *
 * \retval      value         The value of the byte at the given address in
 *                            radio's memory
 */
uint8_t ReadReg( uint16_t address );

/*!
 * \brief Write data to the buffer holding the payload in the radio
 *
 * \param [in]  offset        The offset to start writing the payload
 * \param [in]  buffer        The data to be written (the payload)
 * \param [in]  size          The number of byte to be written
 */
void WriteBuffer( uint8_t offset, uint8_t *buffer, uint8_t size );

/*!
 * \brief Read data from the buffer holding the payload in the radio
 *
 * \param [in]  offset        The offset to start reading the payload
 * \param [out] buffer        A pointer to a buffer holding the data from the radio
 * \param [in]  size          The number of byte to be read
 */
void ReadBuffer( uint8_t offset, uint8_t *buffer, uint8_t size );

/*!
 * \brief Returns the status of DIOs pins
 *
 * \retval      dioStatus     A byte where each bit represents a DIO state:
 *                            [ DIO3 | DIO2 | DIO1 | BUSY ]
 */
uint8_t GetDioStatus( void );

/*!
 * \brief Returns the device type
 *
 * \retval      0: SX1261, 1: SX1262, 2: SX1268
 */
uint8_t GetDeviceType( void );

/*!
 * \brief Returns the matching frequency
 *
 * \retval      1: 868 MHz
 *              0: 915 MHz
 */
uint8_t GetFreqSelect( void );

/*!
 * \brief RF Switch power on
 */
void AntSwOn( void );

/*!
 * \brief RF Switch power off
 */
void AntSwOff( void );

/*!
 * \brief Sets the callback functions to be run on DIO1..3 interrupt
 *
 * \param [in]  irqHandler    A function pointer of the function to be run on every DIO interrupt
 */
void IoIrqInit( DioIrqHandler irqHandler );


#endif // __SX126x_HAL_H__
